Water purification device

Details Water purification device Water purification device

1996-04-12

1997-11-18

Cannon, James C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

210282, 210289, 210484, 2104972, 210501, 2105021, 210504, 210505, 239 33, 42831111, A61J 1500, B01D 2408, B01D 2702

Patent

active

056885881

ABSTRACT:
A drinking straw that purifies water by forced movement of water through the straw. The straw is composed of: 1) a filter plug made of a fibrous structure, the filter plug having sides, a first end, a second end, and a firmness sufficient to avoid collapse of the fibrous structure under a specified pressure drop; 2) a water purification material integrated in the fibrous structure; and 3) a liquid impervious wrapper covering the sides of the filter plug, the wrapper defining openings at the first and second ends of the filter plug.

REFERENCES:
patent: 4564452 (1986-01-01), Sharpe
patent: 4800018 (1989-01-01), Moser
patent: 4925601 (1990-05-01), Vogt et al.
patent: 4961415 (1990-10-01), Radwanski et al.
patent: 4973503 (1990-11-01), Hotchkiss
patent: 4995976 (1991-02-01), Vermes et al.
patent: 5273649 (1993-12-01), Magnusson et al.

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